Q: Is 666,242 a Prime Number?
A: No, 666,242 is not a prime number.
A prime number is a natural number, greater than one, that can only be divided by 1 and itself.
The number 666242 can be evenly divided by 1 2 43 61 86 122 127 254 2,623 5,246 5,461 7,747 10,922 15,494 333,121 and 666,242, with no remainder.
Since 666,242 cannot be divided by just 1 and 666,242, it is not a prime number.